9/6/2013 Temperature and Release Summary for Shasta and Trinity - August 2013

(Updated twice a week November through April)

Sacramento River Water Temperatures in Degrees F

Day Collected from CDEC (California Data Exchange Center) in CFS

Control

TCD SHD minus Point Shasta Spring Crk 

Wt. TCD 3/1 to 8/31 Generation Powerplant 

Avg. (Diff) Shd Spp Kwk Bsf Jlf Bnd Rdb Lws Ccr Igo El 815 Release 

Jul 53.1 51.9 54.0 53.5 56.01 57.1 57.4 59.8 51.1 54.4 57.0 10,765 3,012 

Aug

1 51.9 (1.6) 50.3 54.5 52.7 55.29 56.4 56.6 59.0 50.2 53.9 57.8 9,190 2,866 

2 51.5 (1.3) 50.2 54.5 52.8 55.33 56.4 56.6 59.2 50.4 53.9 57.6 8,516 3,149 3 51.5 (1.4) 50.1 54.4 52.6 55.15 56.0 56.2 58.6 50.4 53.8 57.4 8,667 3,058 4 52.1 (1.6) 50.5 54.3 52.4 55.01 56.0 56.2 58.6 50.5 53.5 57.5 8,756 2,751 5 51.9 (1.4) 50.5 54.2 52.8 55.15 56.2 56.4 58.9 50.6 54.0 57.7 8,835 3,115 6 52.0 (1.8) 50.2 54.2 52.6 55.17 56.2 56.5 59.0 49.7 53.6 56.7 8,763 2,469 7 52.0 (1.6) 50.4 54.1 52.7 55.20 56.3 56.5 58.9 50.3 53.9 57.4 8,759 3,003 8 51.9 (1.7) 50.2 54.1 52.8 55.31 56.4 56.6 59.1 50.4 53.9 57.4 8,005 3,126 9 51.5 (1.3) 50.2 54.1 52.7 55.25 56.2 56.5 58.8 50.5 53.8 57.1 7,878 3,125 

10 51.9 (1.7) 50.2 54.1 52.6 55.15 56.2 56.4 58.8 50.0 53.8 57.0 7,570 3,231 11 52.3 (1.8) 50.5 54.1 52.6 55.22 56.3 56.5 59.1 50.3 53.8 57.8 8,721 2,545 12 52.8 (2.0) 50.8 54.0 52.8 55.31 56.4 56.6 59.1 50.5 53.9 58.0 8,877 2,319 13 53.0 (1.9) 51.1 54.0 53.1 55.51 56.6 56.8 59.3 49.9 54.3 57.8 9,037 2,087 14 53.1 (2.0) 51.1 54.0 53.4 55.83 57.0 57.1 59.5 50.7 54.6 57.9 9,501 1,826 15 53.0 (1.7) 51.3 53.9 53.4 55.88 57.0 57.3 59.9 50.8 54.6 58.0 9,454 2,182 16 52.6 (1.7) 50.9 54.0 53.5 55.98 57.2 57.5 60.1 51.5 54.7 58.3 8,668 2,119 17 52.3 (1.5) 50.8 54.1 53.3 56.23 57.6 57.9 60.5 51.6 54.6 58.6 8,290 2,110 18 52.0 (1.2) 50.8 54.1 53.1 56.34 57.7 58.1 60.7 51.7 54.7 59.0 8,199 1,851 19 52.8 (1.8) 51.0 54.2 53.0 56.28 57.6 58.0 60.7 51.9 54.5 58.9 7,898 1,882 20 52.5 (1.5) 51.0 54.2 53.1 55.63 56.3 56.8 59.9 51.0 53.9 57.4 8,472 2,059 21 52.8 (52.8) ! 54.3 53.0 55.65 57.0 57.1 59.1 51.4 54.3 58.2 8,078 1,374 

22 52.3 (52.3) # 54.3 53.1 55.80 57.0 57.4 60.0 51.0 54.3 57.9 7,833 2,014 

23 51.6 (51.6) # 54.3 52.9 55.68 57.0 57.2 59.5 51.1 54.3 57.7 7,253 2,012 24 52.2 (52.2) # 54.4 52.9 55.63 57.1 57.4 59.8 50.8 54.2 57.8 7,240 1,995 25 52.3 (52.3) # 54.3 52.7 55.68 57.2 57.5 59.9 50.0 54.1 58.4 7,561 1,224 26 53.3 (53.3) ! 55.0 52.8 55.78 57.2 57.5 59.9 49.2 54.5 58.1 8,349 84 

27 51.1 (1.0) 50.1 54.2 53.4 55.63 56.9 57.2 59.5 49.2 54.5 57.6 7,117 1,078 

28 51.4 (1.4) 50.0 54.1 52.6 56.46 57.7 58.1 59.8 49.7 54.7 57.8 6,591 921 29 52.0 (1.3) 50.7 54.1 52.2 55.47 56.9 57.7 60.0 50.1 53.8 57.9 7,295 1,195 30 51.9 (1.6) 50.3 54.3 52.5 55.66 57.0 57.6 59.5 50.6 54.2 58.3 6,261 1,157 31 51.2 (1.3) 49.9 54.3 53.0 56.00 57.6 58.2 59.8 50.5 54.7 58.1 5,175 1,787 

Avg 52.2 50.5 54.2 52.9 55.60 56.8 57.1 59.5 50.5 54.2 57.8 8,091 2,120 Tot cfs 250,809 65,714 Tot af 497,480 130,344 

# = Station out of service ^ - estimated (7 hours or less available) ? = Avg. includes estimated data! = 17 hours or less of readings & = 18 to 23 hours of reading ND = No hourly readings or incorrect 

Control Point: Balls Ferry 3/1/2013 to 8/31/2013

Starting May 17, 2013 Balls Ferry temperature target of 56.75 is for compliance of 56.0 at Airport Road. 

V:\~WATER\_res_ops\Tempmodel\~sactemp\2013TempFiles\[08_2013 Monthly Summary.xls]Sac Riv Temps

Mean Daily Relea